/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 05:12:46,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 05:12:46,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 05:12:46,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 05:12:46,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-08-07 05:12:46,409 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 05:12:46,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 05:12:46,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 05:12:46,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 05:12:46,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 05:12:46,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 05:12:46,412 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 05:12:46,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 05:12:46,413 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 05:12:46,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 05:12:46,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 05:12:46,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 05:12:46,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 05:12:46,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 05:12:46,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 05:12:46,415 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 05:12:46,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 05:12:46,415 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 05:12:46,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 05:12:46,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 05:12:46,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 05:12:46,415 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 05:12:46,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 05:12:46,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 05:12:46,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 05:12:46,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 05:12:46,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 05:12:46,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 05:12:46,416 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-07 05:12:46,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 05:12:46,416 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 05:12:46,417 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 05:12:46,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 05:12:46,417 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 05:12:46,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-07 05:12:46,417 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 05:12:46,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 05:12:46,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 05:12:46,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 05:12:46,715 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 05:12:46,715 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 05:12:46,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2021-08-07 05:12:46,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4da688a0e/bde0c60c9773452a8d059ebddde822b6/FLAGb05131990 [2021-08-07 05:12:47,106 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 05:12:47,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2021-08-07 05:12:47,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4da688a0e/bde0c60c9773452a8d059ebddde822b6/FLAGb05131990 [2021-08-07 05:12:47,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4da688a0e/bde0c60c9773452a8d059ebddde822b6 [2021-08-07 05:12:47,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 05:12:47,515 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 05:12:47,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 05:12:47,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 05:12:47,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 05:12:47,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:12:47" (1/1) ... [2021-08-07 05:12:47,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200e30a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:12:47, skipping insertion in model container [2021-08-07 05:12:47,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:12:47" (1/1) ... [2021-08-07 05:12:47,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 05:12:47,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 05:12:47,668 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i[949,962] [2021-08-07 05:12:47,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 05:12:47,845 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 05:12:47,854 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i[949,962] [2021-08-07 05:12:47,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 05:12:47,910 INFO L208 MainTranslator]: Completed translation [2021-08-07 05:12:47,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:12:47 WrapperNode [2021-08-07 05:12:47,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 05:12:47,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 05:12:47,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 05:12:47,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 05:12:47,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:12:47" (1/1) ... [2021-08-07 05:12:47,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:12:47" (1/1) ... [2021-08-07 05:12:47,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 05:12:47,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 05:12:47,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 05:12:47,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 05:12:47,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:12:47" (1/1) ... [2021-08-07 05:12:47,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:12:47" (1/1) ... [2021-08-07 05:12:47,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:12:47" (1/1) ... [2021-08-07 05:12:47,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:12:47" (1/1) ... [2021-08-07 05:12:47,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:12:47" (1/1) ... [2021-08-07 05:12:47,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:12:47" (1/1) ... [2021-08-07 05:12:47,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:12:47" (1/1) ... [2021-08-07 05:12:47,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 05:12:47,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 05:12:47,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 05:12:47,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 05:12:47,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:12:47" (1/1) ... [2021-08-07 05:12:47,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 05:12:47,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:12:48,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 05:12:48,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 05:12:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 05:12:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 05:12:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 05:12:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 05:12:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 05:12:48,084 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 05:12:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 05:12:48,084 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 05:12:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-07 05:12:48,084 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-07 05:12:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-08-07 05:12:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-08-07 05:12:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 05:12:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 05:12:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 05:12:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 05:12:48,086 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 05:12:48,390 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 05:12:48,390 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-07 05:12:48,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:12:48 BoogieIcfgContainer [2021-08-07 05:12:48,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 05:12:48,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 05:12:48,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 05:12:48,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 05:12:48,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 05:12:47" (1/3) ... [2021-08-07 05:12:48,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fc6e915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 05:12:48, skipping insertion in model container [2021-08-07 05:12:48,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:12:47" (2/3) ... [2021-08-07 05:12:48,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fc6e915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 05:12:48, skipping insertion in model container [2021-08-07 05:12:48,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:12:48" (3/3) ... [2021-08-07 05:12:48,396 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.opt.i [2021-08-07 05:12:48,399 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 05:12:48,399 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 05:12:48,399 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 05:12:48,400 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 05:12:48,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,420 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,421 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,421 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,421 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,422 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,422 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,423 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,423 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,423 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,423 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,423 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,423 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,424 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,424 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,424 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,424 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,425 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,425 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,425 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,425 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,426 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,426 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,426 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,426 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,429 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,429 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,429 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,430 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,433 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,433 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,433 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,433 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,434 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,435 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,435 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,435 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,436 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,436 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,436 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,436 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:12:48,437 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 05:12:48,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 05:12:48,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:12:48,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 05:12:48,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 05:12:48,487 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 05:12:48,491 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 05:12:48,492 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-07 05:12:48,545 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-07 05:12:48,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:12:48,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1637688876, now seen corresponding path program 1 times [2021-08-07 05:12:48,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:12:48,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88647630] [2021-08-07 05:12:48,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:12:48,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:12:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:12:48,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:12:48,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:12:48,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88647630] [2021-08-07 05:12:48,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88647630] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 05:12:48,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 05:12:48,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 05:12:48,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195296193] [2021-08-07 05:12:48,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 05:12:48,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:12:49,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 05:12:49,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-07 05:12:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:12:49,008 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:12:49,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 05:12:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:12:50,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:12:50,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 05:12:50,373 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-07 05:12:50,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:12:50,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1801742572, now seen corresponding path program 2 times [2021-08-07 05:12:50,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:12:50,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987965299] [2021-08-07 05:12:50,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:12:50,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:12:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:12:50,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:12:50,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:12:50,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987965299] [2021-08-07 05:12:50,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987965299] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 05:12:50,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 05:12:50,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 05:12:50,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161382852] [2021-08-07 05:12:50,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 05:12:50,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:12:50,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 05:12:50,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-07 05:12:50,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:12:50,612 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:12:50,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 05:12:50,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:12:50,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:12:52,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:12:52,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:12:52,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 05:12:52,101 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-07 05:12:52,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:12:52,102 INFO L82 PathProgramCache]: Analyzing trace with hash 30628012, now seen corresponding path program 3 times [2021-08-07 05:12:52,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:12:52,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029581611] [2021-08-07 05:12:52,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:12:52,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:12:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:12:52,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:12:52,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:12:52,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029581611] [2021-08-07 05:12:52,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029581611] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 05:12:52,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 05:12:52,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 05:12:52,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307203551] [2021-08-07 05:12:52,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 05:12:52,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:12:52,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 05:12:52,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-07 05:12:52,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:12:52,243 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:12:52,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 05:12:52,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:12:52,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:12:52,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:12:54,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:12:54,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:12:54,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:12:54,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 05:12:54,329 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-07 05:12:54,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:12:54,329 INFO L82 PathProgramCache]: Analyzing trace with hash 599518888, now seen corresponding path program 4 times [2021-08-07 05:12:54,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:12:54,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302209492] [2021-08-07 05:12:54,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:12:54,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:12:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:12:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:12:54,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:12:54,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302209492] [2021-08-07 05:12:54,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302209492] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 05:12:54,430 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 05:12:54,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 05:12:54,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039446396] [2021-08-07 05:12:54,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 05:12:54,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:12:54,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 05:12:54,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 05:12:54,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:12:54,432 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:12:54,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 05:12:54,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:12:54,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:12:54,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:12:54,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:12:58,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:12:58,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:12:58,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:12:58,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:12:58,160 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 05:12:58,160 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 05:12:58,161 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 05:12:58,161 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 05:12:58,161 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-07 05:12:58,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 05:12:58,174 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 05:12:58,175 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 05:12:58,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 05:12:58 BasicIcfg [2021-08-07 05:12:58,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 05:12:58,189 INFO L168 Benchmark]: Toolchain (without parser) took 10661.83 ms. Allocated memory was 181.4 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 145.6 MB in the beginning and 3.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 763.0 MB. Max. memory is 8.0 GB. [2021-08-07 05:12:58,190 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 181.4 MB. Free memory is still 163.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 05:12:58,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.60 ms. Allocated memory is still 181.4 MB. Free memory was 145.4 MB in the beginning and 155.1 MB in the end (delta: -9.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-07 05:12:58,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.62 ms. Allocated memory is still 181.4 MB. Free memory was 155.1 MB in the beginning and 153.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 05:12:58,193 INFO L168 Benchmark]: Boogie Preprocessor took 26.72 ms. Allocated memory is still 181.4 MB. Free memory was 153.0 MB in the beginning and 151.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 05:12:58,194 INFO L168 Benchmark]: RCFGBuilder took 407.63 ms. Allocated memory is still 181.4 MB. Free memory was 151.5 MB in the beginning and 124.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-08-07 05:12:58,194 INFO L168 Benchmark]: TraceAbstraction took 9783.40 ms. Allocated memory was 181.4 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 124.2 MB in the beginning and 3.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 742.0 MB. Max. memory is 8.0 GB. [2021-08-07 05:12:58,195 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 181.4 MB. Free memory is still 163.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 392.60 ms. Allocated memory is still 181.4 MB. Free memory was 145.4 MB in the beginning and 155.1 MB in the end (delta: -9.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.62 ms. Allocated memory is still 181.4 MB. Free memory was 155.1 MB in the beginning and 153.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.72 ms. Allocated memory is still 181.4 MB. Free memory was 153.0 MB in the beginning and 151.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 407.63 ms. Allocated memory is still 181.4 MB. Free memory was 151.5 MB in the beginning and 124.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9783.40 ms. Allocated memory was 181.4 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 124.2 MB in the beginning and 3.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 742.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1369173, positive: 1330499, positive conditional: 1330499, positive unconditional: 0, negative: 38674, negative conditional: 38674, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1347198, positive: 1330499, positive conditional: 1330499, positive unconditional: 0, negative: 16699, negative conditional: 16699, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1347198, positive: 1330499, positive conditional: 1330499, positive unconditional: 0, negative: 16699, negative conditional: 16699, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1403417, positive: 1330499, positive conditional: 1330475, positive unconditional: 24, negative: 72918, negative conditional: 56219, negative unconditional: 16699, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1403417, positive: 1330499, positive conditional: 215768, positive unconditional: 1114731, negative: 72918, negative conditional: 1484, negative unconditional: 71434, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1403417, positive: 1330499, positive conditional: 215768, positive unconditional: 1114731, negative: 72918, negative conditional: 1484, negative unconditional: 71434, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1211, positive: 1188, positive conditional: 236, positive unconditional: 952, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1211, positive: 1153, positive conditional: 0, positive unconditional: 1153, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 23, positive unconditional: 12, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 78, positive conditional: 57, positive unconditional: 21, negative: 61, negative conditional: 19, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1403417, positive: 1329311, positive conditional: 215532, positive unconditional: 1113779, negative: 72895, negative conditional: 1475, negative unconditional: 71420, unknown: 1211, unknown conditional: 245, unknown unconditional: 966] , Statistics on independence cache: Total cache size (in pairs): 1211, Positive cache size: 1188, Positive conditional cache size: 236, Positive unconditional cache size: 952, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 1169442, Maximal queried relation: 4, Independence queries for same thread: 21975 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 134 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 9710.0ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.9ms, PartialOrderReductionTime: 8684.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.3ms SsaConstructionTime, 128.6ms SatisfiabilityAnalysisTime, 683.6ms InterpolantComputationTime, 332 NumberOfCodeBlocks, 332 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 328 ConstructedInterpolants, 0 QuantifiedInterpolants, 1456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-07 05:12:58,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 05:12:58,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...